Tony Lindgren | b63128e | 2009-12-11 16:16:32 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Helper module for board specific I2C bus registration |
| 3 | * |
| 4 | * Copyright (C) 2009 Nokia Corporation. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License |
| 8 | * version 2 as published by the Free Software Foundation. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, but |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| 18 | * 02110-1301 USA |
| 19 | * |
| 20 | */ |
Subramaniam C.A | 813f6c5 | 2010-08-24 12:02:28 -0500 | [diff] [blame] | 21 | #ifndef __ASM__ARCH_OMAP_I2C_H |
| 22 | #define __ASM__ARCH_OMAP_I2C_H |
Tony Lindgren | b63128e | 2009-12-11 16:16:32 -0800 | [diff] [blame] | 23 | |
| 24 | #include <linux/i2c.h> |
| 25 | |
| 26 | #if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE) |
| 27 | extern int omap_register_i2c_bus(int bus_id, u32 clkrate, |
| 28 | struct i2c_board_info const *info, |
| 29 | unsigned len); |
| 30 | #else |
| 31 | static inline int omap_register_i2c_bus(int bus_id, u32 clkrate, |
| 32 | struct i2c_board_info const *info, |
| 33 | unsigned len) |
| 34 | { |
| 35 | return 0; |
| 36 | } |
| 37 | #endif |
| 38 | |
Rajendra Nayak | 4fe20e9 | 2010-09-21 19:37:13 +0530 | [diff] [blame] | 39 | /** |
| 40 | * i2c_dev_attr - OMAP I2C controller device attributes for omap_hwmod |
| 41 | * @fifo_depth: total controller FIFO size (in bytes) |
| 42 | * @flags: differences in hardware support capability |
| 43 | * |
| 44 | * @fifo_depth represents what exists on the hardware, not what is |
| 45 | * actually configured at runtime by the device driver. |
| 46 | */ |
| 47 | struct omap_i2c_dev_attr { |
| 48 | u8 fifo_depth; |
Andy Green | 7300272 | 2011-07-10 05:27:14 -0600 | [diff] [blame^] | 49 | u32 flags; |
Rajendra Nayak | 4fe20e9 | 2010-09-21 19:37:13 +0530 | [diff] [blame] | 50 | }; |
| 51 | |
Jarkko Nikula | 9833eff | 2010-02-22 20:29:36 +0000 | [diff] [blame] | 52 | void __init omap1_i2c_mux_pins(int bus_id); |
| 53 | void __init omap2_i2c_mux_pins(int bus_id); |
Subramaniam C.A | 813f6c5 | 2010-08-24 12:02:28 -0500 | [diff] [blame] | 54 | |
| 55 | #endif /* __ASM__ARCH_OMAP_I2C_H */ |